Home / 117,737.28-162,470.88-67,439.52

Finding the Fourth Proportional to 117,737.28, 162,470.88 and 67,439.52

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Solution

The fourth proportional to 117,737.28, 162,470.88 and 67,439.52 is: 93,062.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,737.28 : 162,470.88 = 67,439.52 : x
  2. Step 2: Convert to fraction form
    117,737.28/162,470.88 = 67,439.52/x
  3. Step 3: Cross multiply
    117,737.28x = 162,470.88 × 67,439.52
  4. Step 4: Simplify right side
    117,737.28x = 10,956,958,161.18
  5. Step 5: Solve for x
    x = 10,956,958,161.18/117,737.28
  6. Step 6: Final answer
    x = 93,062.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.